TCD2952DGMSM7508BIMPAX1S10¥30去看看永恒电子元器件发布了原TCD2952DG MSM7508B IMPAX1S AT24RF08BN-10 SC模具钢钢棒圆钢硬度¥100去看看恒飞金属材料批发1发布了IMPAX模具钢高硬度718H/NIMAX/STAVAX钢板圆钢 S136/MIRRAX 钢棒